Ключевые слова: 3d, alphabet, bright, chemical, color, concept, copy space, design, digitally generated, digitally generated image, ecology, energy, environment, environmental, environmentalism, formula, formula green, green, green background, horizontal, hydrogen, hydrogen bonding, illustration, isolated, letter, letter h, nobody, number, plain, plant, render, renewable, resources, shape, shot, sign, studio, style, sustainability, sustainable, symbol, technologies, technology, text, type,